@article{ZNSL_2018_472_a1,
     author = {Yu. A. Al'pin and V. S. Al'pina},
     title = {Indices of imprimitivity of the temporal components of a semigroup of nonnegative matrices},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {17--30},
     publisher = {mathdoc},
     volume = {472},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2018_472_a1/}
}